X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/2e2fc9fa6b68e43a9960849eebdad0a94764a7cf..be10fe2f11db33a4f96c573dc47c47822e1a8e9d:/client/util.c?ds=sidebyside diff --git a/client/util.c b/client/util.c index edd9aebc..cea9f7d7 100644 --- a/client/util.c +++ b/client/util.c @@ -112,6 +112,7 @@ char * sprint_hex(const uint8_t * data, const size_t len) { int maxLen = ( len > 1024/3) ? 1024/3 : len; static char buf[1024]; + memset(buf, 0x00, 1024); char * tmp = buf; size_t i; @@ -121,19 +122,25 @@ char * sprint_hex(const uint8_t * data, const size_t len) { return buf; } -char * sprint_bin(const uint8_t * data, const size_t len) { +char *sprint_bin_break(const uint8_t *data, const size_t len, const uint8_t breaks) { - int maxLen = ( len > 1024) ? 1024 : len; + int maxLen = ( len > 1020) ? 1020 : len; static char buf[1024]; - char * tmp = buf; - size_t i; + memset(buf, 0x00, 1024); + char *tmp = buf; - for (i=0; i < maxLen; ++i, ++tmp) - sprintf(tmp, "%u", data[i]); + for (size_t i=0; i < maxLen; ++i){ + sprintf(tmp++, "%u", data[i]); + if (breaks > 0 && !((i+1) % breaks)) + sprintf(tmp++, "%s","\n"); + } return buf; } +char *sprint_bin(const uint8_t *data, const size_t len) { + return sprint_bin_break(data, len, 0); +} void num_to_bytes(uint64_t n, size_t len, uint8_t* dest) { while (len--) { @@ -153,6 +160,22 @@ uint64_t bytes_to_num(uint8_t* src, size_t len) return num; } +// aa,bb,cc,dd,ee,ff,gg,hh, ii,jj,kk,ll,mm,nn,oo,pp +// to +// hh,gg,ff,ee,dd,cc,bb,aa, pp,oo,nn,mm,ll,kk,jj,ii +// up to 64 bytes or 512 bits +uint8_t *SwapEndian64(const uint8_t *src, const size_t len, const uint8_t blockSize){ + static uint8_t buf[64]; + memset(buf, 0x00, 64); + uint8_t *tmp = buf; + for (uint8_t block=0; block < (uint8_t)(len/blockSize); block++){ + for (size_t i = 0; i < blockSize; i++){ + tmp[i+(blockSize*block)] = src[(blockSize-1-i)+(blockSize*block)]; + } + } + return tmp; +} + //assumes little endian char * printBits(size_t const size, void const * const ptr) {